Name: CVE-2019-18182: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2020-02-24T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-18182, CWE-78, CVSS 9.8, EPSS 0.07867

pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable a non-default XferCommand and retrieve an attacker-controlled crafted database and package.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade pacman	Aug 22, 2024	Feb 24, 2020
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Feb 24, 2020

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CVSS Details

Covered by Rapid7

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